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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Updated: May 23, 2025

Yeast As a Chassis for Developing Functional Assays to Study Human P53
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Targeting p53 for immune modulation: Exploring its functions in tumor immunity and inflammation.

H Helena Wu1, Sarah Leng2, David D Eisenstat3

  • 1370 Heritage Medical Research Center, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, T6G 2S2, Canada.

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|March 7, 2025
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The tumor suppressor p53 is crucial for immune regulation, influencing various immune cells and responses. Targeting p53 offers promising therapeutic strategies for cancer immunotherapy and autoimmune diseases.

Keywords:
Adaptive immune responseCancer immunotherapyInnate responsep53 tumor suppressor

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Area of Science:

  • Immunology
  • Cell Biology
  • Cancer Biology

Background:

  • p53, the guardian of the genome, regulates cellular stress responses.
  • p53 is a key player in tumor suppression and immune regulation.
  • It orchestrates innate and adaptive immune responses, impacting pathogen clearance and immune surveillance.

Purpose of the Study:

  • To review the multifaceted role of p53 in immune dynamics.
  • To explore p53's influence on various immune cells (macrophages, dendritic cells, NK, T, and B cells).
  • To discuss p53's implications in cancer immunotherapy, autoimmune diseases, and inflammation.

Main Methods:

  • Comprehensive literature review of p53's immunological functions.
  • Analysis of p53's role in immune cell interactions and signaling pathways (e.g., NF-κB).
  • Exploration of high-throughput technologies (single-cell RNA sequencing, CRISPR screens) for p53 research.

Main Results:

  • p53 modulates immune responses, including cytokine regulation and pattern recognition receptor activity.
  • Mutations in p53 can lead to tumor immune evasion.
  • p53 plays a critical role in immunogenic cell death (ICD) and antitumor immunity.

Conclusions:

  • p53 is a pivotal regulator of both pro- and anti-inflammatory responses.
  • Targeting p53, including wild-type p53 reactivation, shows therapeutic potential.
  • Integrating p53 immunology insights is vital for novel cancer immunotherapies and personalized medicine.